Doping Strategies of Graphite-Based Materials for Adsorption Applications: A Bibliometric Study sheladwiseptiani1@student.uns.ac.id, sribudiawanti@staff.uns.ac.id
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Abstract
Pollution from heavy metals, dyes, organic compounds, and oil residues remains a critical environmental challenge, and graphite-based materials offer a promising solution through surface modification and heteroatom doping. This study applies a bibliometric approach to analyze research trends on doped graphite adsorbents using 2,288 articles indexed in Scopus (2016-2025). Data were processed with VosViewer and Publish or Perish to map publication growth, citation networks, keyword clusters, and disciplinary contributions. The analysis identified three primary directions: (1) development of carbon sources such as graphene, graphene oxide (GO), reduced graphene oxide (rGO), and biochar as efficient adsorbents- (2) advancement of single and multi-heteroatom co-doping strategies to improve adsorption performance- and (3) targeting pollutants including heavy metals, dyes, antibiotics, pesticides, volatile organic compounds (VOCs), as well as advanced applications like oil-water separation and capacitive deionization. The findings underscore the multidisciplinary nature of this field and point to eco-friendly synthesis, porous structure design, and hybrid technologies as key future trends for scalable and sustainable remediation.
